The sample shows microorganisms, which are most likely bacteria, moving in a yogurt sample. The sample was obtained from Chandler Cafe at approximately 8pm on May 31st at the California Institute of Technology. The slide was prepared by spooning a drop of yogurt onto the slide. A video was taken which shows what is presumably bacteria moving. We cannot classify the bacteria because the magnification is not adequate.
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Movement can be observed on the top part of the frame. These are most likely probiotics.
The yogurt was obtained from Chandler